PT-2025-44542 · Nagios · Fusion

Published 2025-10-30 · Updated 2025-10-30 · CVE-2017-20209

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nagios Fusion versions prior to 4.0.1

Description Insufficient validation or escaping of user-supplied input on the 'Users' and 'Servers' pages allows an attacker to inject and execute arbitrary script in the context of a victim's browser. This is a cross-site scripting (XSS) issue, where malicious scripts are injected into otherwise trusted websites.

Recommendations Update to version 4.0.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-20209

Affected Products

Fusion

References · 4

• https://osv.dev/vulnerability/CVE-2017-20209 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-20209 · Security Note
• https://nagios.com/changelog/nagios-fusion · Note
• https://vulncheck.com/advisories/nagios-fusion-xss-via-users-servers-page · Note